Possible Speedo Issue

  • DoubleL3
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Possible Speedo Issue

26 Jun 2009 10:04
#302223
I believe that either the speedo or tach or both are off. Does anybody know a good way to check if they good? and if they arent reading true a way about getting them to read true?

Thanks

P.S. i have a 1981 KZ550A

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  • MFolks
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Re: Possible Speedo Issue

26 Jun 2009 10:29
#302229
Give these guys a call:http://www.z1enterprises.com/reference/ZResto_home.aspx

I've read good things about their work.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • Russ Jackson
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Re: Possible Speedo Issue

26 Jun 2009 10:37
#302230
Hook up a gps unit and compare. Or have your wife follow ahead at a specified speed....Russ
1976 KZ 900 B1 29 smoothbores, Kerker, Lester Mags
2008 Kawasaki Concours 14 abs

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  • DoubleL3
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Re: Possible Speedo Issue

28 Jun 2009 09:50
#302700
well i checked my speed on a radar equipped speed limit sign that just got put up... it checked out at 25mph and 35mph so my speedo is good but i went on a small road trip yesterday and as i approached redline the tach needle just started bouncing between 10,000 and 8,000 rpms anybody ever deal with this before?

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  • Patton
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Re: Possible Speedo Issue

28 Jun 2009 10:08 - 28 Jun 2009 10:11
#302710
DoubleL3 wrote:
well i checked my speed on a radar equipped speed limit sign that just got put up... it checked out at 25mph and 35mph so my speedo is good but i went on a small road trip yesterday and as i approached redline the tach needle just started bouncing between 10,000 and 8,000 rpms anybody ever deal with this before?

Tach bounce might result from frayed interior tach cable or just need cable disassembly, cleaning and lubing.

If in doubt, replace cable with a new one.

Click here > for Z1E tach cable

Good Luck! :)
1973 Z1
KZ900 LTD
Last edit: 28 Jun 2009 10:11 by Patton.

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  • GPz550D1
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Re: Possible Speedo Issue

28 Jun 2009 11:18 - 28 Jun 2009 17:53
#302720
My '81 KZ550D1 has always had problems with the tach and speedo. They jump around quite a bit and are not very accurate. Even after taking the cables out and lubricating them. I bought a new KZ550 in '81 and I remember those gauges jumped around a little, even when new.

Robert
1981 KZ550-D1
Last edit: 28 Jun 2009 17:53 by GPz550D1.

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